Re: [tboot-devel] Infineon TPM problems and fixes

[David D. <tro...@gm...>]

That's weird.  When I try to enable OS management of Embedded Security
Device I get "This feature cannot be changed while "Trusted Execution
Technology" feature is enabled.  So I tried turning off TXT, enabling OS
management, and then turning TXT on again... This BIOS then disabled that
feature.

What version of the BIOS do you have?


David


On Jan 15, 2008 3:19 PM, Hal Finney <hal...@gm...> wrote:

> Hi David - I guess that attachment did not come through here - were
> you able to see the log I attached last night?
>
> These machines have only been out for a few weeks so I doubt that
> there is any significant difference between our two machines, although
> I have only 1 GB while you have 2.
>
> Here are some of my BIOS setups, perhaps some of these are relevant:
>
> Under System Security:
>
> Data Execution Prevention: Enable
> Virtualization Technology (VTx): Enable
> Virtualization Technology Directed I/O (VTd): Enable
> Trusted Execution Technology: Enable
> Embedded Security Device Support: Enable
>  Reset to Factory Settings: Do not reset
>  Power-On Authentication Support: Disable
>  Reset authentication credential: Do not reset
> OS management of Embedded Security Device: Enable
>  Reset of Embedded Security Device through OS: Disable
>
> The other one that I think is relevant is under Advanced/Device Options:
>
> Multi-Processor: Enable
>
> Previously there have been reports that tboot would not launch if
> multi-processors are disabled in the BIOS.
>
> Anyway see if any of these settings are different -
>
> Hal
>